Bump Version to 7.8.1

Signed-off-by: Omar Einea <eineao@gmail.com>
Change-Id: I27e568b487fcaa4922c0c341d9478905b7ae3ac0
diff --git a/config/common.mk b/config/common.mk
index 08e5bcf..e638434 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -158,7 +158,7 @@
 # KitKat SlimKat freeze code
 PRODUCT_VERSION_MAJOR = 4.4.4
 PRODUCT_VERSION_MINOR = build
-PRODUCT_VERSION_MAINTENANCE = 7.8
+PRODUCT_VERSION_MAINTENANCE = 7.8.1
 ifdef SLIM_BUILD_EXTRA
     SLIM_POSTFIX := -$(SLIM_BUILD_EXTRA)
 endif